Liebert NXL Manual - Free PDF Download

Page 2 - Product Warranty Registration; To register for warranty protection, visit the; Service and Support; section of our Web site at:; Product Registration; and fill out the form.

C ONTACTING L IEBERT FOR S UPPORT To contact Liebert Services for information or repair service in the United States, call 1-800-LIEBERT (1-800-543-2378). Liebert Services offers a complete range of start-up services, repair services, preventive maintenance plans and service contracts.For repair or ...

Page 5 - SAVE THESE INSTRUCTIONS; bert NXL; precautions before working on or near the DC system.; WARNING; or preparing unit for installation.; WARNING

1 I MPORTANT S AFETY I NSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation of your Lie- bert NXL ™ Input/Output Cabinet. Read this manual thoroughly, paying special attention to the sec- tions that apply to your installation, be...

Page 6 - ECHANICAL; Introduction; electrical installation.; NOTICE; Preliminary Checks; age to the shipper immediately.; Environmental Considerations; NOTE; CAUTION; equipment damage and/or injury to personnel.

Mechanical Installation 2 1.0 M ECHANICAL I NSTALLATION 1.1 Introduction This following section describes the requirements that must be taken into account when planning the positioning and cabling of the Liebert NXL Input/Output Cabinet.This chapter is a guide to general procedures and practices tha...

Page 7 - must; mounted only on the left side of the I/O cabinet.

Mechanical Installation 3 1.4.1 Moving the Cabinets The Liebert NXL Input/Output Cabinet can be handled with a forklift or similar equipment.When moving the unit by forklift, care must be taken to protect the panels. Do not exceed a 15-degree tilt with the forklift. Bottom structure will support the...

Page 8 - LECTRICAL; External Protective Devices; Dual Input; Tables 1; Power Cables; Tables 1; Table 4

Electrical Installation 4 2.0 E LECTRICAL I NSTALLATION This chapter provides guidelines for qualified installers who must have knowledge of local wiring practices pertaining to the equipment to be installed. 2.1 External Protective Devices For safety, circuit breakers must be installed in the input...

Page 9 - Tables 2; Equipment Ground; Figure 1; Figure 3; Ensure correct phase rotation.

Electrical Installation 5 The following are guidelines only and are superseded by local regulations and codes of practice where applicable: • Take special care when determining the size of the neutral cable (grounded conductor), because current circulating on the neutral cable may be greater than no...

Page 11 - Notes on Tables

Electrical Installation 7 Notes on Tables 1. Nominal input current (considered continuous) is based on full-rated output load. Maximum current includes nominal input current and maximum battery recharge current (considered noncontinuous). Continuous and noncontinuous current are defined in NEC 100. ...

Page 12 - Table 6; Cable Size

Electrical Installation 8 Table 6 Recommended lug sizes Cable Size T&B Series 54000 One Hole T&B Series 54000 Two Hole #8 AWG 54930BE 54850BE #6 AWG 54905BE 256-30695-868 #4 AWG 54906BE 256-30695-733 #2-3 AWG 54942BE 54811BE #1 AWG 54947BE 54857BE #1/0 AWG 54950BE 256-30695-593 #2/0 AWG 5495...

Page 13 - NSTALLATION

Installation Drawings 9 3.0 I NSTALLATION D RAWINGS Figure 1 Input/output conduit detail drawing, 250-300kVA Liebert NXL UPS OUTPUT NEUTRAL INNER PANEL REMOVED FOR CLARITY SHOWN IN EXTENDED POSITION DC (2) 3" CONDUIT NOTES:1. ALL DIMENSIONS ARE IN inches (mm).2. 24" MINIMUM CLEARANCE ABOVE U...

Page 14 - Figure 2

Installation Drawings 10 Figure 2 Input/output conduit detail drawing, 400kVA Liebert NXL UPS NOTES:1. ALL DIMENSIONS ARE IN inches (mm).2. 24" MINIMUM CLEARANCE ABOVE UNIT REQUIRED FOR AIR EXHAUST.3. KEEP CABINET WITHIN 15 DEGREES OF VE RTICAL.4. TOP AND BOTTOM CABLE ENTRY AVAILABLE THROUGH REM...

Page 15 - FRONT VIEW; SIDE VIEW

Installation Drawings 11 Figure 3 Top cable entry routing and installation order The cables must be routedaround the fault braces. This isto prevent the cables fromcoming in contact withother busbars. FAULT BRACE OUTPUT FAULT BRACE RECTIFIER INPUT FAULT BRACE BYPASS INPUT BYPASS NEUTRAL DC (POSITIVE...

Page 16 - Figure 4

Installation Drawings 12 Figure 4 Bottom cable entry routing and installation order SIDE VIEW FAULT BRACE OUTPUT FAULT BRACE RECTIFIER INPUT FAULT BRACE BYPASS INPUT BYPASS NEUTRAL DC (POSITIVE) DC (NEGATIVE) GROUND (TOP ENTRY) BYPASS INPUT RECTIFIERINPUT OUTPUT OUTPUT NEUTRAL GROUND (BOTTOM ENTRY) ...

Page 17 - Figure 5; FLOOR MOUNTS

Installation Drawings 13 Figure 5 Floor mount brackets—standard and optional layout WARNING Brackets MUST remain attached to the frame until theunit is being placed in its final installed position. (The finalinstallation will always require the unit to be boltedto another Liebert NXL product.) Failu...

Page 20 - AC Power

EmersonNetworkPower.com Ensuring The High Availability0f Mission-Critical Data And Applications. Emerson Network Power, the global leader in enabling business-criticalcontinuity, ensures network resiliency and adaptability througha family of technologies—including Liebert power and coolingtechnologi...